PSB54B/54F

● Pressure：0~3.0 MPa

● Temperature：-120~400℃

● Speed：≤50m/s

√ Tandem metal bellow seals applied for cryogenic and high temperature services

√ Stationary designs well fitted for large shaft and high speed application

√ Prevent medium leaking into the atmospheric

√ Standardized bellows manufacturing process with high strength and fatigue resistance;

● Welded metal bellows, stationary

● Shrink fitted seal face

● Flexible graphite as secondary seal

√ Refining & petrochemical

√ Coal chemical

√ Tower bottom pumps

√ Radiation feed pumps

√ Slurry pumps

● Process side:API682 PLAN 21, 32

● Between seals:API682 PLAN 52, 53A, 53B, 53C, 54

● Atmospheric side:API682 PLAN 61, 62